Armory

Armory is an advanced open source program for managing
multiple bitcoin wallets with a high level of security available. The
software uses wallet encryption, can print permanent paper backups of
your wallets, and store your bitcoins on an offline computer for
maximum security from online threats.

Armory was designed from the ground up to focus first on
maximizing security, and then provide a well thought-out interface to
make using this security as simple as possible.

Armory is used by some of the most heavily-invested,
and most paranoid Bitcoin enthusiasts for maximum privacy and
security. The software is currently in a beta stage of development.

Usermode options - Choose between "Standard", "Advanced"
and "Developer", to scale the level of information flow according to
your preferences. "Standard" user mode has a reduced set of
functionality and only presents information necessary for basic wallet
management and transactions